Los Angeles -LRB- CNN -RRB- -- Two years after Demi Moore announced she wanted to end her marriage to Ashton Kutcher , their union is legally undone .

Kutcher 's lawyer filed the document in Los Angeles County Superior Court Tuesday making their final divorce settlement official , according to a court spokeswoman .

Kutcher , 35 , filed the divorce petition last January -- citing irreconcilable differences -- but Moore , 51 , made it clear in November 2011 that the marriage was over .

`` It is with great sadness and a heavy heart that I have decided to end my six-year marriage to Ashton , '' Moore said in her announcement .

Kutcher has been dating his former `` That '70s Show '' co-star Mila Kunis since early 2012 , although she initially denied a romantic relationship .

He is one of television 's best paid performers thanks to the gig he got on CBS ' `` Two and a Half Men '' after Charlie Sheen 's implosion .

Moore and Kutcher began dating in 2003 and married in September 2005 despite a 15-year age difference .

In the wake of Moore 's announcement of their split two years ago , Kutcher tweeted : `` I will forever cherish the time I spent with Demi . Marriage is one of the most difficult things in the world and unfortunately sometimes they fail . Love and Light , AK ''

The separation , however , came amid reports that Kutcher cheated on his wife on the night of their wedding anniversary .

`` As a woman , a mother and a wife there are certain values and vows that I hold sacred , and it is in this spirit that I have chosen to move forward with my life , '' she said at the time . `` This is a trying time for me and my family , and so I would ask for the same compassion and privacy that you would give to anyone going through a similar situation . ''

This is Kutcher 's first divorce , but the third time for Moore . She was previously married to actor Bruce Willis and rock musician Freddy Moore .

CNN 's Jane Caffrey contributed to this report .

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Kutcher 's lawyer filed the final divorce settlement Tuesday

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Moore announced their separation 2 years ago

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Kutcher 's been dating former `` That '70s Show '' co-star Mila Kunis since 2012

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The couple began dating in 2003 and married in September 2005